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GB525606A - Improvements in devices for automatically controlling the bandwidth in radio-receivers and other apparatus - Google Patents

Improvements in devices for automatically controlling the bandwidth in radio-receivers and other apparatus

Info

Publication number
GB525606A
GB525606A GB21023/39A GB2102339A GB525606A GB 525606 A GB525606 A GB 525606A GB 21023/39 A GB21023/39 A GB 21023/39A GB 2102339 A GB2102339 A GB 2102339A GB 525606 A GB525606 A GB 525606A
Authority
GB
United Kingdom
Prior art keywords
amplitude
bandwidth
accordance
control
frequencies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21023/39A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB525606A publication Critical patent/GB525606A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/20—Automatic control in untuned amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control

Landscapes

  • Noise Elimination (AREA)
  • Amplifiers (AREA)
GB21023/39A 1938-07-22 1939-07-19 Improvements in devices for automatically controlling the bandwidth in radio-receivers and other apparatus Expired GB525606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE525606X 1938-07-22

Publications (1)

Publication Number Publication Date
GB525606A true GB525606A (en) 1940-08-30

Family

ID=6552671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21023/39A Expired GB525606A (en) 1938-07-22 1939-07-19 Improvements in devices for automatically controlling the bandwidth in radio-receivers and other apparatus

Country Status (4)

Country Link
CH (1) CH216840A (fr)
DK (1) DK59346C (fr)
FR (1) FR858024A (fr)
GB (1) GB525606A (fr)

Also Published As

Publication number Publication date
FR858024A (fr) 1940-11-15
CH216840A (de) 1941-09-15
DK59346C (da) 1941-12-29

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